package homework;

//作业标题(2300)
//删除链表中所有值为value的元素
//
//作业内容
//删除链表中所有值为value的元素
//https://leetcode.cn/problems/remove-linked-list-elements/description/
public class h2300 {
    class ListNode {
      int val;
      ListNode next;
      ListNode() {}
      ListNode(int val) { this.val = val; }
      ListNode(int val, ListNode next) { this.val = val; this.next = next; }
 }
    public ListNode removeElements(ListNode head, int val) {
        if(head == null) return head;

        ListNode cur = head;
        while(cur.next != null)
        {
            if(cur.next.val == val)
            {
                cur.next = cur.next.next;
            }
            else {
                cur = cur.next;
            }
        }

        if(head.val == val)
        {
            head = head.next;
        }
        return head;
    }

    public static void main(String[] args) {

    }
}
